import React, { Component } from 'react'
import { Link, Route } from 'react-router-dom'
import Detail from './Detail'

export default class Message extends Component {
  state = {
    messageArr: [
      {
        id: '01',
        title: '消息1'
      },
      {
        id: '02',
        title: '消息2'
      },
      {
        id: '03',
        title: '消息3'
      }
    ]
  }
  replaceShow = (id, title) => {
    // 编写一段代码，让其实现跳转detail组件，且为replace跳转 携带params参数
    // this.props.history.replace(`/home/message/detail/${id}/${title}`)

    // 携带search 参数
    // this.props.history.replace(`/home/message/detail?id=${id}&title=${title}`)

    // 携带state参数
    this.props.history.replace(`/home/message/detail`, {id, title})
  }
  pushShow = (id, title) => {
    // 编写一段代码，让其实现跳转detail组件，且为replace跳转
    // this.props.history.push(`/home/message/detail/${id}/${title}`)

    // 携带search 参数
    // this.props.history.push(`/home/message/detail?id=${id}&title=${title}`)

    // 携带state参数
    this.props.history.push(`/home/message/detail`, {id, title})
  }

  back = () => {
    this.props.history.goBack()
  }

  forward = () => {
    this.props.history.goForward()
  }
  go = () => {
    this.props.history.go(-2)
  } 

  render() {
    const {messageArr} = this.state
    return (
      <div>
        <ul>
          {
            messageArr.map(msgObj => {
              return (
                <li key={msgObj.id}>
                  {/* <Link to="/home/message/detail">{msgObj.title}</Link> */}
                  {/* 向路由组件传递params参数 */}
                  {/* <Link to={`/home/message/detail/${msgObj.id}/${msgObj.title}`}>{msgObj.title}</Link>
                  <button onClick={() => this.pushShow(msgObj.id, msgObj.title)}>push查看</button>
                  <button onClick={() => this.replaceShow(msgObj.id, msgObj.title)}>replace查看</button> */}
                  

                   {/* 向路由中传递search参数 */}
                   {/* <Link to={`/home/message/detail/?id=${msgObj.id}&title=${msgObj.title}`}>{msgObj.title}</Link> */}
                   {/* <button onClick={() => this.pushShow(msgObj.id, msgObj.title)}>push查看</button>
                  <button onClick={() => this.replaceShow(msgObj.id, msgObj.title)}>replace查看</button> */}

                   {/* 向路由  组件传递state参数 */}
                   <Link replace={true} to={{pathname: '/home/message/detail', state:{id:msgObj.id, title:msgObj.title}}}>{msgObj.title}</Link>
                   <button onClick={() => this.pushShow(msgObj.id, msgObj.title)}>push查看</button>
                  <button onClick={() => this.replaceShow(msgObj.id, msgObj.title)}>replace查看</button>
                </li>
              )
            })
          }
        </ul>
        <hr />
        {/* 注册路由 */}
        {/* 声明接收params参数 */}
        {/* <Route path="/home/message/detail/:id/:title" component={Detail} /> */}

        {/* 声明接收search参数 无需声明接收 正常注册路由*/}
        {/* <Route path="/home/message/detail" component={Detail} /> */}


        {/* 声明接收state参数 无需声明接收 正常注册路由*/}
        <Route path="/home/message/detail" component={Detail} />

        <button onClick={this.back}>回退</button>
        <button onClick={this.forward}>前进</button>
        <button onClick={this.go}>go</button>
      </div>
    )
  }
}
